NJW1199 Ver la hoja de datos (PDF) - Japan Radio Corporation
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NJW1199 Datasheet PDF : 4 Pages
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NJW1199
8-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR
s GENERAL DESCRIPTION
The NJW1199 is a 8-channel electronic volume with
Input Selector. It includes 13-in 4-out stereo audio
selector , REC Output and Multi-channel inputs.
The NJW1199 performs low noise and low distortion
characteristics with resistance ladder circuit.
All of functions are controlled via three-wired serial bus.
Selectable 2-Chip address is available for using two chips
on same serial bus line.
The NJW1199 is suitable for multi-channel audio system,
such as AV amplifier, DVD receiver, and others.
s PACKAGE OUTLINE
NJW1199FC2
s FEATURES
q Operating Voltage
q 3-Wired Serial Control
q 13-input 4-output stereo selector
q Multi-Channel input (8ch x 2)
q Input Selector Gain Control
q Volume
q Bi-CMOS Technology
q Package Outline
±4.5 to ±7.5V
Chip Address Select Function
Gain : 0/-3/-6/-9/-12dB
Main 8ch : +31.5 to –95dB / 0.5dB step, Mute
Sub 2ch : +31 to –94dB / 1dB step, Mute
QFP100-C2
s BLOCK DIAGRAM
Main Volume :
+31.5 to -95dB / 0.5dBstep
Stereo-
Lin
Lout
Rout
Stereo-
Rin
Input Selector Gain :
0 / -3 / -6 / -9 / -12dB
/ Mute
Multi-
Cin
Lout for
ADC
Rout for
ADC
Multi-
LSin
Multi-
RSin
SUb Volume :
+31 to -94dB
/ 1dBstep
Multi-
LBin
Sub-Lout
Sub-Rout
Multi-
RBin
Multi-
SWin
Cout
LSout
RSout
LBout
RBout
SWout
Control Logic
ADR
MUTE
Data Clock Latch
Ver 2.3 for web
–1–
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